The stones studied by the team predate the cart wheels of the Bronze Age by thousands of years, highlighting a key milestone in the development of rotational tools.
Both "cat" tiles have already been restored and are now being prepared for transfer.
The remains, mostly boys aged between two and seven years old, were placed inside a box of ashlars in a careful arrangement.
In 1998 that the bust was rediscovered in a warehouse at the Balintore industrial estate.
Now, 86 years later, the relic is returning home.
The monument was first documented in 1583 by the English cartographer John Norden, who wrote, "It is called Arthur's Hall".
The genomes of the victims showed lineages from Eastern Mediterranean countries, North Africa, and areas corresponding to modern-day Turkey, Lebanon, and Italy.
Captured and tortured by the Gestapo, Riffaud never revealed the Resistance members.
Only four pairs of the iconic shoes remain, with bids exceeding $812,500 ahead of the December 7 auction.
Guy Fawkes Night remains well observed in pockets of Britain. In Ottery St Mary, Devon, locals carry flaming barrels of tar on their backs for ancient and inscrutable reasons.